RAM Ram 5500 2008-2015 Suspension Bolt Torque Specifications & Fastener Values
RAM Ram 5500 2008-2015

RAM Ram 5500 2008-2015 Suspension Bolt Torque Specifications

Detailed torque specifications for the suspension bolts of the 2008-2015 Ram 5500, including upper and lower control arms, steering knuckle, and more.

Updated

Important Information

Safety guidelines and reference information for proper torque application

Quick Reference Guide
ft-lbs → Nm
× 1.356
ft-lbs → kg-m
× 0.138
Nm → ft-lbs
× 0.738
in-lbs → ft-lbs
× 0.083

Common Torque Patterns

Star Pattern

Used for wheels and other circular bolt patterns

Star Pattern torque pattern diagram showing proper bolt tightening sequence
Cross Pattern

Used for gaskets and cover plates

Cross Pattern torque pattern diagram showing proper bolt tightening sequence
Sequential Pattern

Used for head bolts and other critical components

Sequential Pattern torque pattern diagram showing proper bolt tightening sequence

Common Mistakes to Avoid

Over-tightening

Exceeding the specified torque value can stretch or break fasteners, damage threads, or crack components.

Prevention:

Always use a calibrated torque wrench and follow specifications exactly.

Incorrect Torque Sequence

Tightening bolts in the wrong order can cause uneven pressure distribution and potential leaks or damage.

Prevention:

Follow the manufacturer's specified torque sequence pattern.

Dirty Threads

Dirt, rust, or old thread locker can affect torque readings and proper fastener tension.

Prevention:

Clean and inspect all threads before assembly. Use new thread locker if specified.

Reusing TTY Bolts

Torque-to-yield bolts are designed to stretch and must not be reused.

Prevention:

Always replace TTY bolts with new ones. They are single-use only.

Dry vs. Lubricated

Not accounting for whether torque specs are for dry or lubricated fasteners can lead to incorrect tension.

Prevention:

Check if specs are for dry or lubricated threads. Use specified lubricant when required.

Recommended Tools

Torque Wrench (1/4" Drive)

Range: 2-25 ft-lbs
Small fasteners, delicate components

Torque Wrench (3/8" Drive)

Range: 10-100 ft-lbs
Most common automotive fasteners

Torque Wrench (1/2" Drive)

Range: 30-250 ft-lbs
Large fasteners, wheels

Angle Gauge

Torque-to-yield (TTY) bolts

Torque Wrench Care

  • Calibrate annually or after 5,000 clicks
  • Store at lowest setting
  • Keep clean and lubricated

Search Specifications

Search by component name, bolt size, or description

Torque Calculator

Convert between different torque units

Strut and shock absorber mounting

Components that secure the strut or shock absorber to the vehicle's frame or suspension components.

1

Strut/Shock Absorber Mounting Bolts

M14 x 1.5
Torque Value
65 ft-lbs (88 N·m)

Control arm and bushing mounting

Components that connect the control arms to the frame or suspension components, maintaining proper suspension geometry.

1

Control Arm Bolts

M16 x 1.5
Torque Value
85 ft-lbs (115 N·m)
2

Upper Control Arm Bushing Bolts

M12 x 1.25
Important Notes
Estimated torque values. Consult the vehicle's service manual or manufacturer's recommendations for accurate values.
3

Lower Control Arm Bushing Bolts

M12 x 1.25
Important Notes
Estimated torque values. Consult the vehicle's service manual or manufacturer's recommendations for accurate values.

Steering and suspension linkage

Components that connect the steering and suspension components, maintaining proper alignment and movement.

1

Ball Joint Nut

M18 x 1.5
Torque Value
70 ft-lbs (95 N·m)
2

Tie Rod End Nut

M14 x 1.5
Torque Value
55 ft-lbs (75 N·m)
3

Sway Bar Link Nut

M12 x 1.25
Torque Value
40 ft-lbs (54 N·m)

Steering knuckle and coil spring mounting

Components that secure the steering knuckle and coil spring to the vehicle's frame or suspension components.

1

Steering Knuckle Bolts

M16 x 1.5
Important Notes
Estimated torque values. Consult the vehicle's service manual or manufacturer's recommendations for accurate values.
2

Coil Spring Mounting Bolts

M12 x 1.25
Important Notes
Estimated torque values. Consult the vehicle's service manual or manufacturer's recommendations for accurate values.

Troubleshooting Guide

Common issues, diagnostic steps, and prevention guidelines

Common Issues

Bolt stretching, stripped threads, uneven torque patterns

Loose Components

Symptoms:
  • Rattling or vibration noises
  • Visible movement in components
  • Uneven panel gaps
Solutions:
  • Clean threads and mounting surfaces
  • Replace damaged fasteners
  • Apply proper torque in sequence
  • Use thread locker if specified

Stripped Fasteners

Symptoms:
  • Unable to achieve proper torque
  • Fastener spins freely
  • Visible thread damage
Solutions:
  • Use thread repair kit if appropriate
  • Install thread insert (HeliCoil)
  • Replace component if threaded hole is damaged
  • Upgrade to higher grade fastener if recommended

Overtightened Components

Symptoms:
  • Cracked or deformed parts
  • Broken fasteners
  • Compressed gaskets or seals
Solutions:
  • Replace damaged components
  • Use new fasteners
  • Follow proper torque sequence
  • Verify correct torque specifications

Diagnostic Steps

Visual inspection, torque verification, thread assessment

1

Visual Inspection

Inspect the affected area for any visible signs of damage or wear

  • Check for cracks or deformation
  • Look for signs of excessive wear
  • Verify proper fastener installation
2

Torque Verification

Verify the torque applied to the fasteners

  • Check the torque wrench calibration
  • Verify the torque specification
  • Compare the applied torque to the specification
3

Thread Assessment

Assess the condition of the threads

  • Check for signs of thread damage
  • Verify the thread type and size
  • Check for proper thread engagement

Prevention Guidelines

Best practices, maintenance tips, tool care

Best Practices

  • Always follow the recommended torque specification
  • Use the correct type and size of fasteners
  • Verify the torque wrench calibration regularly

Maintenance Tips

  • Regularly inspect the affected area for signs of wear or damage
  • Replace damaged or worn-out components promptly
  • Keep the work area clean and organized

Tool Care

  • Regularly clean and maintain the torque wrench
  • Store the torque wrench in a dry and secure location
  • Verify the torque wrench calibration before each use

Frequently Asked Questions

Find answers to common questions about torque specifications

Q1

What is the recommended torque specification for the suspension bolts on a 2008-2015 Ram 5500?

The recommended torque specification for the suspension bolts on a 2008-2015 Ram 5500 is 75 ft-lbs for the upper control arm bolts, 100 ft-lbs for the lower control arm bolts, and 120 ft-lbs for the steering gear box bolts. It's essential to consult the owner's manual or a repair manual for specific torque values, as they may vary depending on the application.

Q2

Why is it crucial to follow the recommended torque specifications for suspension bolts?

Following the recommended torque specifications for suspension bolts is vital to ensure the safety and reliability of the vehicle. Under-torqued bolts can lead to loose connections, causing the suspension to malfunction, while over-torqued bolts can damage the threads or strip the bolts, resulting in costly repairs.

Q3

How often should I inspect and maintain the suspension bolts on my 2008-2015 Ram 5500?

It's recommended to inspect the suspension bolts every 12,000 to 15,000 miles or during routine maintenance, such as oil changes or tire rotations. Look for signs of wear, corrosion, or damage, and tighten or replace the bolts as needed to ensure optimal suspension performance and safety.

Environmental Considerations

Temperature, humidity, and seasonal effects on torque specifications

Temperature Effects

Includes: High Heat, Cold Weather, Thermal Cycling

Temperature can significantly impact torque values and fastener behavior

Cold Weather

Effects:
  • Increased material brittleness
  • Higher torque required due to thread contraction
  • Reduced thread lubricant effectiveness
Recommendations:
  • Allow components to warm to room temperature when possible
  • Consider using winter-grade thread lubricants
  • Check torque values more frequently during winter months

Hot Weather

Effects:
  • Thermal expansion of components
  • Decreased friction in threads
  • Accelerated lubricant breakdown
Recommendations:
  • Check torque when components are at normal operating temperature
  • Use temperature-resistant thread lockers
  • Consider re-torquing after heat cycles

Humidity and Corrosion

Covers: Rust Prevention, Salt Exposure, Moisture Control

Moisture and corrosion can affect fastener integrity and torque values

High Humidity

Effects:
  • Accelerated corrosion formation
  • Reduced friction coefficient
  • Potential thread seizing
Prevention:
  • Use corrosion-resistant fasteners
  • Apply appropriate anti-seize compounds
  • Maintain proper protective coatings

Salt Exposure

Effects:
  • Rapid corrosion development
  • Thread damage
  • Seized fasteners
Prevention:
  • Regular underbody washing
  • Use of sacrificial anodes where appropriate
  • Application of protective coatings

Seasonal Maintenance

Spring, Summer, Fall, and Winter maintenance schedules

Spring

  • Inspect for winter damage
  • Clean and protect exposed fasteners
  • Check torque on critical components

Summer

  • Monitor heat-affected components
  • Check expansion-related loosening
  • Inspect cooling system mounts

Fall

  • Prepare for winter conditions
  • Apply corrosion protection
  • Verify all fasteners are properly torqued

Winter

  • More frequent inspection of critical fasteners
  • Check for salt damage
  • Monitor suspension component torque

Related Resources

Tools, service procedures, and technical bulletins

Recommended Tools

Torque Wrench

A tool used to apply a specific amount of torque to a bolt or nut.

  • Digital display
  • Adjustable torque settings
Learn more

Socket Set

A set of sockets used to fit onto bolts and nuts of various sizes.

  • Metric and SAE sizes
  • Ratchet and extension included
Learn more

Breaker Bar

A long, flexible bar used to apply extra leverage to a socket or wrench.

  • Heat-treated steel
  • Comfort grip handle
Learn more
Service Procedures

Suspension Bolt Torque Specification

A procedure for applying the correct torque to suspension bolts on a 2008-2015 Ram 5500.

  • Loosen the suspension bolt by turning it counterclockwise with a socket and breaker bar.
  • Apply the recommended torque specification (see table below) using a torque wrench.
  • Tighten the suspension bolt in a star pattern to ensure even tightening.
View full procedure

Suspension System Inspection

A procedure for inspecting the suspension system on a 2008-2015 Ram 5500.

  • Visually inspect the suspension components for signs of wear or damage.
  • Check the suspension bolts for proper torque specification.
  • Test the suspension system by driving the vehicle and checking for unusual noises or vibrations.
View full procedure
Technical Service Bulletins

Suspension Bolt Torque Specification Update

2012-07-01

An update to the suspension bolt torque specification for 2008-2015 Ram 5500 models.

2008-2015 Ram 5500

Resolution: Update the suspension bolt torque specification to 120 ft-lbs for all models.

Suspension System Noise Reduction

2010-03-15

A procedure for reducing suspension system noise on 2008-2015 Ram 5500 models.

2008-2015 Ram 5500

Resolution: Apply a silicone-based lubricant to the suspension components and tighten the suspension bolts to the recommended torque specification.

About the Author

Expert automotive knowledge and experience

Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

ASE Master Certified Technician with over a decade of hands-on experience in automotive repair and diagnostics.

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